Understanding Nuclear Threats

Several U.S. bilateral nuclear cooperation agreements are set to expire in the next four years, and a long list of nuclear newcomers are interested in concluding new agreements with the United States. Jessica C. Varnum examines the debate over whether stricter nonproliferation preconditions for concluding these new and renewal "123" nuclear cooperation agreements with the United States would enhance or undermine their value as instruments of U.S. nonproliferation policy.